/**
 * Require authentication. Throws UnauthorizedError if not authenticated.
 */
export declare function requireAuth(request: Request): Promise<void>;
/**
 * Require admin access. Throws UnauthorizedError or ForbiddenError.
 * @param ownerEmails Comma-separated admin emails (or pass via env)
 */
export declare function requireAdmin(request: Request, ownerEmails?: string): Promise<void>;
/**
 * Check if a user is an admin (boolean, does not throw)
 */
export declare function isAdmin(request: Request, ownerEmails?: string): Promise<boolean>;
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